CN211588481U - Mould for processing crane gear box cover - Google Patents
Mould for processing crane gear box cover Download PDFInfo
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- CN211588481U CN211588481U CN201922438703.3U CN201922438703U CN211588481U CN 211588481 U CN211588481 U CN 211588481U CN 201922438703 U CN201922438703 U CN 201922438703U CN 211588481 U CN211588481 U CN 211588481U
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Abstract
The utility model provides a mould of processing loop wheel machine gear case lid, including the cover half frame, the movable mould frame, cover half core and movable mould core, be equipped with the runner cover on the cover half frame, be equipped with the reposition of redundant personnel son on the movable mould frame, the cover half core is equipped with the cover half chamber, the movable mould core is equipped with the movable mould chamber, the die cavity is a mould cavity structure, the die cavity comprises cover half chamber and movable mould chamber, the cover half chamber includes first recess, the bottom surface of first recess is from last to being equipped with first regular hexagon recess down in proper order, first square groove, first hexagon groove, the movable mould chamber includes the second recess, the bottom surface of second recess is from last to being equipped with second regular hexagon recess down in proper order, second square groove, second hexagon recess. The utility model discloses design the die cavity into the structure of a blank of two product sharings, saved a pair mould, improved production efficiency to the quality of product has been improved.
Description
Technical Field
The utility model relates to a mould field, concretely relates to mould of processing loop wheel machine gear case lid.
Background
The casting mould has great influence on the quality of products, particularly when the split mould is adopted for molding, a parting surface is arranged in the casting mould, the defect of wrong box is easy to generate, if a casting is also provided with a hole structure, because an insert and a core are needed, the shape and size deviation is easier to generate, and the shape precision of the casting mould is influenced, so that the quality of the products is influenced. And the product quality is affected by improper selection of the molding cavity structure and the forms of the runner and the sprue. Meanwhile, the installation angle and the precision of the mold core of the existing mold are frequently required to be repeatedly debugged when the product is maintained and assembled, but the common mold core is difficult to take down, and the mold core is easy to wear due to improper taking down mode sometimes, so that the manufacturing precision of the product is influenced. The existing crane gearbox cover die can only produce one crane gearbox cover product at a time, the production efficiency is low, and the die structure easily causes the crane gearbox cover die casting to generate air holes.
SUMMERY OF THE UTILITY MODEL
The utility model is directed to the above problem, a mould of processing loop wheel machine gear case lid is provided.
The purpose of the utility model can be realized by the following technical scheme: a mould for processing a crane gear box cover comprises a fixed mould frame, a movable mould frame, a fixed mould core and a movable mould core, wherein a sprue bush is arranged on the fixed mould frame, a splitter is arranged on the movable mould frame, the fixed mould core is provided with a fixed mould cavity, the movable mould core is provided with a movable mould cavity, the mould cavity is of a mould-cavity structure, and the mould cavity is formed by the fixed mould cavity and the movable mould cavity; the fixed die cavity comprises a first groove which is rectangular, two corners of the upper part of the first groove are arc-shaped and furled towards the middle, the bottom surface of the first groove is sequentially provided with a first regular hexagonal groove and a first square groove which are equal in depth from top to bottom, the first hexagonal groove is internally provided with a first hexagonal boss, the upper parts of the first hexagonal groove and the first hexagonal boss are both trapezoidal, the lower parts of the first hexagonal groove and the first hexagonal boss are both rectangular, the first hexagonal boss and the first hexagonal boss are both provided with a plurality of first reinforcing rib grooves, the edges of the first hexagonal boss and the first hexagonal boss are both provided with pins, the pins are fixed on the fixed mold core, and a plurality of first connecting rib grooves are respectively arranged between the first hexagonal groove and the first square groove and between the first square groove and the first hexagonal groove; the movable die cavity comprises a second groove, the second groove is rectangular and two upper corners are arc-shaped and furled towards the middle, the bottom surface of the second groove is provided with a second regular hexagonal groove with equal depth from top to bottom in sequence, a second square groove and a second hexagonal groove, a second regular hexagonal boss is arranged in the second regular hexagonal groove, a second hexagonal boss is arranged in the second hexagonal groove, the upper parts of the second hexagonal groove and the second hexagonal boss are trapezoidal, the lower part of the second hexagonal groove and the upper part of the second hexagonal boss are rectangular, a plurality of second reinforcing rib grooves are formed in the second regular hexagonal boss and the second hexagonal boss, the edges of the first regular hexagonal boss and the first hexagonal boss are abutted to the end surface of the pin, and a plurality of second connecting rib grooves are formed between the second regular hexagonal groove and the second square groove and between the second square groove and the second hexagonal groove respectively.
Furthermore, the sub-runners on the fixed mold core, the sub-runners and the movable mold core are funnel-shaped and divided into a plurality of branches, and the plurality of branches are communicated with the first groove and the second groove through side gates.
Furthermore, slag ladles are arranged on the peripheral sides of the fixed die cavity and the movable die cavity, an exhaust groove communicated with the slag ladles is formed in the movable die core, and exhaust blocks communicated with the exhaust groove are formed in the fixed die frame and the movable die frame.
The utility model discloses combine crane gear case lid structure, design the die cavity into the structure of a blank of two product commonalities, saved a pair mould, improved production efficiency. During die casting, aluminum liquid is poured into the pouring gate sleeve, is shunted by the shunting sub, flows into the die cavity through the shunting channel and the side pouring gate, fills the casting die cavity in a very short time, and is pressed and forged in the aluminum liquid cooling process to cast a high-quality crane gear box cover blank casting. Wherein, the fixed die cavity and the movable die cavity form a die cavity for forming a blank of the gearbox cover of the crane. The formed blank casting of the gearbox cover of the crane is ejected out through the ejector pin after the mould is opened, and is matched with the slag ladle, the exhaust groove and the exhaust block for exhaust, so that the quality of the product is improved.
Drawings
Fig. 1 is a schematic bottom view of the present invention.
Fig. 2 is a schematic side view of the present invention.
Fig. 3 is a schematic view of the fixed mold structure of the present invention.
Fig. 4 is a schematic structural diagram of the moving mold of the present invention.
Fig. 5 is a schematic structural view of the set mold cavity at a in fig. 3.
Fig. 6 is a schematic structural view of the movable mold cavity at B in fig. 4.
The parts in the figures are numbered as follows:
1 fixed die frame, 2 fixed die frame anti-collision plates, 3 movable die frame, 4 movable die frame anti-collision plates, 5 die feet, 6 anti-collision columns, 7 thimble fixing plates, 8 push plates, 9 support columns, 10 top plate guide columns, 11 top plate guide sleeves, 12 top plate limiting blocks, 13 sprue sleeves, 14 fixed die cores, 15 shunt cores, 16 movable die cores, 17 guide columns, 18 guide sleeves, 19 thimbles, 20 reset rods, 21 cooling water channels, 22 flow channels, 23 slag ladles, 24 exhaust grooves, 25 exhaust blocks, 26 first grooves, 27 first regular hexagonal grooves, 28 first square grooves, 29 first hexagonal grooves, 30 first regular hexagonal bosses, 31 first hexagonal bosses, 32 first reinforcing rib grooves, 33 pins, 34 first connecting rib grooves, 35 second grooves, 36 second regular hexagonal grooves, 37 second square grooves, 38 second hexagonal grooves, 39 second regular hexagonal bosses, 40 second hexagonal bosses, and, 41 second strengthening rib groove, 42 second connecting rib groove.
Detailed Description
The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings to make it clear to those skilled in the art how to practice the invention. While the invention has been described in connection with its preferred embodiments, these embodiments are intended to be illustrative, and not to limit the scope of the invention.
As shown in fig. 1 to 4, a die for processing a gearbox cover of a crane adopts a horizontal die casting machine, is horizontally mounted, and mainly comprises a fixed die part, a movable die part, an ejection part, a resetting part, a guide part, a cooling part, a pouring part, an exhaust part, a support part, a die placement protection part and a lifting ring.
And the fixed die part comprises a fixed die frame 1 and a fixed die core 14 arranged in the fixed die frame 1, and the fixed die core 14 is provided with a fixed die cavity.
And the movable mould part comprises a movable mould frame 3 and a movable mould core 16 arranged in the movable mould frame 3, one side of the movable mould frame 3 is matched with the fixed mould frame 1, the movable mould core 16 is provided with a movable mould cavity, the movable mould core 16 is matched with the fixed mould core 14, and the movable mould cavity and the fixed mould cavity are matched to form a complete mould cavity.
The ejection part is arranged on the other side of the movable mold frame 3 and comprises an ejector pin 19, an ejector pin fixing plate 7, a push plate 8 and a top plate limiting block 12, the ejector pin fixing plate 7, the push plate 8 and the top plate limiting block 12 are sequentially arranged on the other side of the movable mold frame 3, the tail part of the ejector pin 19 is fixed on the ejector pin fixing plate 7, and the head part of the ejector pin 19 sequentially penetrates through the movable mold frame 3 and the movable mold core 16.
The reset part comprises four reset rods 20, the tails of the four reset rods 20 are respectively fixed at four corners of the thimble fixing plate 7, the heads of the four reset rods 20 sequentially penetrate through the movable mold frame 3 and the movable mold core 16 and then abut against the fixed mold core 14, and the reset rods 20 drive the thimble fixing plate 7 to reset during mold closing.
The guide part comprises an ejection guide part and a die guide part, the ejection guide part is composed of a top plate guide sleeve 11 and a top plate guide pillar 10, the top plate guide sleeve 11 is fixed on the ejector pin fixing plate 7 and the push plate 8, the top plate guide pillar 10 penetrates through the top plate guide sleeve 11, one end of the top plate guide pillar 10 is fixed with the movable die frame 3, and a step on the top plate guide pillar 10 plays a role in limiting the ejector pin fixing plate 7. The die guide part consists of a guide sleeve 18 and a guide post 17, the guide sleeve 18 is fixed on the movable die frame 3, one end of the guide post 17 is fixed on the fixed die frame 1, and the other end of the guide post 17 is arranged in the guide sleeve 18 in a penetrating way.
And the cooling part comprises a cooling water channel 21, the cooling water channel 21 is respectively arranged in the fixed mold frame 1 and the movable mold frame 3 and is arranged close to the movable mold cavity and the fixed mold cavity, the cooling water channel 21 is provided with a water channel inlet and a water channel outlet, and the water channel inlet and the water channel outlet are both arranged on the side surfaces of the fixed mold frame 1 and the movable mold frame 3. The cooling water path 21 is used for controlling the temperature of the mold and prolonging the service life of the mold.
The pouring part comprises a sprue bush 13, a splitter 15 and a runner 22, the runner 22 comprises a main runner, a splitter and a pouring gate, the sprue bush 13 is arranged on a fixed mold frame 1, the main runner is arranged in the sprue bush 13, the splitter 15 is arranged on a movable mold frame 3 and is connected with the sprue bush 13 and the movable mold core 16, splitter grooves forming the splitter are formed in the fixed mold core 14, the splitter 15 and the movable mold core 16, the splitter is communicated with a mold cavity through the pouring gate, and the pouring gate is a side pouring gate.
And the exhaust part comprises slag ladles 23, exhaust grooves 24 and exhaust blocks 25, the slag ladles 23 are arranged on the peripheral sides of the fixed die cavity and the movable die cavity and communicated with the die cavities, the exhaust grooves 24 are arranged on the movable die core 16 and communicated with the slag ladles 23, and the exhaust blocks 25 are arranged on the fixed die frame 1 and the movable die frame 3 and communicated with the exhaust grooves 24.
The supporting part comprises supporting columns 9 and mould feet 5, the supporting columns 9 and the mould feet 5 are arranged on the other side of the movable mould frame 3, one ends of the supporting columns 9 penetrate through the center of the ejector pin fixing plate 7 and the push plate 8, the other ends of the supporting columns support on the movable mould frame 3, and the mould feet 5 are arranged on two sides of the ejector pin fixing plate 7 and the push plate 8 respectively and are fixed with the movable mould frame 3. When the punch of the die casting machine is injected, the supporting columns 9 enhance the shear strength of the die along with huge impact force, and prevent the die from deforming to influence the size of a casting.
The protection part is placed to the mould, and it includes places planar cover half frame anticollision board 2, movable mould frame anticollision board 4, bumping post 6 as the mould, and cover half frame anticollision board 2 sets up water route entry and the side of water route export place on cover half frame 1, and movable mould frame anticollision board 4 sets up water route entry and the side of water route export place on movable mould frame 3, and bumping post 6 sets up in the side of mould foot 5 with cover half frame anticollision board 2, 4 homonymies of movable mould frame anticollision board. The fixed die frame anti-collision plate 2, the movable die frame anti-collision plate 4 and the anti-collision column 6 play a role in protecting an external water pipe of the cooling water channel 21.
And the lifting rings are respectively arranged on the side surfaces of the fixed mold frame 1 and the movable mold frame 3.
The die cavity is of a one-die-one-cavity structure and consists of a fixed die cavity and a movable die cavity.
As shown in fig. 3 and 5, the fixed mold cavity includes a first groove 26, the first groove 26 is rectangular and two corners of the upper portion are arc-shaped and folded towards the middle, a first regular hexagonal groove 27 with equal depth is sequentially arranged on the bottom surface of the first groove 26 from top to bottom, a first square groove 28 and a first hexagonal groove 29, a first regular hexagonal boss 30 is arranged in the first regular hexagonal groove 27, a first hexagonal boss 31 is arranged in the first hexagonal groove 29, the upper portions of the first hexagonal groove 29 and the first hexagonal boss 31 are both trapezoidal, the lower portions of the first hexagonal groove 29 and the first hexagonal boss 31 are both rectangular, a plurality of first reinforcing rib grooves 32 are respectively arranged on the first regular hexagonal boss 30 and the first hexagonal boss 31, pins 33 are respectively arranged at the edges of the first regular hexagonal boss 30 and the first boss 31, the pins 33 are fixed on the fixed mold core, a plurality of first connecting rib grooves are respectively arranged between the first regular hexagonal groove 27 and the first square groove 28 and between the first square groove 28 and the first hexagonal groove 29 A bead groove 34.
As shown in fig. 4 and 6, the movable mold cavity includes a second groove 35, the second groove 35 is rectangular, two corners of the upper portion of the second groove 35 are arc-shaped and converge towards the middle, a second regular hexagonal groove 36 and a second square groove 37 with equal depth are sequentially arranged on the bottom surface of the second groove 35 from top to bottom, second hexagon recess 38, be equipped with second regular hexagon boss 39 in second regular hexagon recess 36, be equipped with second hexagon boss 40 in second hexagon recess 38, the upper portion of second hexagon recess 38 and second hexagon boss 40 all is trapezoidal, the lower part all is the rectangle, many second strengthening rib grooves 41 have all been seted up on second regular hexagon boss 39 and the second hexagon boss 40, the edge of first regular hexagon boss 30 and first hexagon boss 31 offsets with the terminal surface of pin 33, be equipped with a plurality of second connecting rib grooves 42 between second regular hexagon recess 36 and the second square recess 37 and between second square recess 37 and the second hexagon recess 38 respectively.
The sub-runners on the fixed mold core 14, the sub-runners 15 and the movable mold core 16 are funnel-shaped and divided into a plurality of branches, and the branches are communicated with the first groove 26 and the second groove 35 through side gates.
Whole mould is horizontal installation on the die casting machine, and cover half frame 1 is fixed at the die casting machine, and movable mould frame 3 is fixed on the die casting machine and is accurate to slide. When the die is closed, the aluminum liquid is injected from the sprue bush 13, is shunted by the shunt 15, and flows into the die cavity through the shunt and the side sprue, and the fixed die cavity and the movable die cavity are combined to form a crane gear box cover blank casting. Finally, the blank casting of the gearbox cover of the crane is ejected out through the ejector pin 19 after the mould is opened. The crane gearbox cover blank casting is of a structure that two crane gearbox cover products share one blank, and a pair of dies can be saved. The cooling water path 21 is supplied with water to cool and control the mold temperature. The aluminum liquid flows at a high speed in the runner 22, and can fill the die cavity in a very short time to cast a high-quality blank casting of the gearbox cover of the crane. And (5) closing the die again, wherein the fixed die core 14 drives the reset rod 20 to reset the thimble fixing plate 7 to prepare for next ejection.
It should be noted that many variations and modifications of the embodiments of the present invention are possible, which are fully described, and are not limited to the specific examples of the above embodiments. The above embodiments are merely illustrative of the present invention and are not intended to limit the present invention. In conclusion, the scope of the present invention should include those changes or substitutions and modifications which are obvious to those of ordinary skill in the art.
Claims (3)
1. A mould for processing a crane gear box cover comprises a fixed mould frame, a movable mould frame, a fixed mould core and a movable mould core, wherein a sprue bush is arranged on the fixed mould frame;
the fixed die cavity comprises a first groove which is rectangular, two corners of the upper part of the first groove are arc-shaped and furled towards the middle, the bottom surface of the first groove is sequentially provided with a first regular hexagonal groove and a first square groove which are equal in depth from top to bottom, the first hexagonal groove is internally provided with a first hexagonal boss, the upper parts of the first hexagonal groove and the first hexagonal boss are both trapezoidal, the lower parts of the first hexagonal groove and the first hexagonal boss are both rectangular, the first hexagonal boss and the first hexagonal boss are both provided with a plurality of first reinforcing rib grooves, the edges of the first hexagonal boss and the first hexagonal boss are both provided with pins, the pins are fixed on the fixed mold core, and a plurality of first connecting rib grooves are respectively arranged between the first hexagonal groove and the first square groove and between the first square groove and the first hexagonal groove;
the movable die cavity comprises a second groove, the second groove is rectangular and two upper corners are arc-shaped and furled towards the middle, the bottom surface of the second groove is provided with a second regular hexagonal groove with equal depth from top to bottom in sequence, a second square groove and a second hexagonal groove, a second regular hexagonal boss is arranged in the second regular hexagonal groove, a second hexagonal boss is arranged in the second hexagonal groove, the upper parts of the second hexagonal groove and the second hexagonal boss are trapezoidal, the lower part of the second hexagonal groove and the upper part of the second hexagonal boss are rectangular, a plurality of second reinforcing rib grooves are formed in the second regular hexagonal boss and the second hexagonal boss, the edges of the first regular hexagonal boss and the first hexagonal boss are abutted to the end surface of the pin, and a plurality of second connecting rib grooves are formed between the second regular hexagonal groove and the second square groove and between the second square groove and the second hexagonal groove respectively.
2. The mold for machining the gearbox cover of the crane according to claim 1, wherein the runners on the fixed mold core, the splitter and the movable mold core are funnel-shaped and are divided into a plurality of branches, and the plurality of branches are communicated with the first groove and the second groove through side gates.
3. The mold for machining the gearbox cover of the crane according to claim 1, wherein the slag ladle is arranged on the periphery of the fixed mold cavity and the movable mold cavity, the movable mold core is provided with an exhaust groove communicated with the slag ladle, and the fixed mold frame and the movable mold frame are provided with exhaust blocks communicated with the exhaust groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922438703.3U CN211588481U (en) | 2019-12-30 | 2019-12-30 | Mould for processing crane gear box cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922438703.3U CN211588481U (en) | 2019-12-30 | 2019-12-30 | Mould for processing crane gear box cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211588481U true CN211588481U (en) | 2020-09-29 |
Family
ID=72597808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922438703.3U Active CN211588481U (en) | 2019-12-30 | 2019-12-30 | Mould for processing crane gear box cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211588481U (en) |
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2019
- 2019-12-30 CN CN201922438703.3U patent/CN211588481U/en active Active
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